Thyroid swellings rarely present as cystic masses in neck laterally. Mostly cystic neck masses appearing in neck are usually benign. However, they may occasionally have a sinister origin and should be investigated rigrously. Thyroid cysts most often result from cystic degeneration in an adenomatous nodule. ² Brachial Cysts, dermoid cysts and epidermoid cysts are the most common benign neck cysts. Presentation of thyroid tissue as a cystic mass in the lateral side of the neck is rare . We present a rare case of multicystic swelling in left supra-clavicular region of neck with no other thyrotoxic or pressure features . The swelling appeared to be malignant during surgery on gross examination, but turned to be a benign thyroid cyst by histopathological examination.
Keywords: multicystic, thyroid cyst, cystic degeneration